20101022100222 has 64 divisors (see below), whose sum is σ = 45987479322624. Its totient is φ = 5737865217120.

The previous prime is 20101022100193. The next prime is 20101022100241. The reversal of 20101022100222 is 22200122010102.

It is a super-2 number, since 2×20101022100222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294672043 + ... + 294740249.

It is an arithmetic number, because the mean of its divisors is an integer number (718554364416).

Almost surely, 2^{20101022100222} is an apocalyptic number.

20101022100222 is an abundant number, since it is smaller than the sum of its proper divisors (25886457222402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20101022100222 is a wasteful number, since it uses less digits than its factorization.

20101022100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74573.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20101022100222 its reverse (22200122010102), we get a palindrome (42301144110324).

The spelling of 20101022100222 in words is "twenty trillion, one hundred one billion, twenty-two million, one hundred thousand, two hundred twenty-two".